Segment Results

9 Months Ended

Sep. 30, 2024

Segment Reporting [Abstract]

Segment Results

NOTE 2. SEGMENT RESULTS

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2024		2023		2024		2023
Net sales
Mineral Fiber	$	258.0	$	249.7	$	747.8	$	712.1
Architectural Specialties		128.6		97.6		330.2		270.8
Total net sales	$	386.6	$	347.3	$	1,078.0	$	982.9

Our product-based Mineral Fiber and Architectural Specialties segment net sales represent the product-based group offerings we sell to external customers.

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2024			2023			2024			2023
Segment operating income (loss)
Mineral Fiber	$	93.0		$	85.5		$	253.9		$	224.8
Architectural Specialties		19.2			15.5			41.1			34.9
Unallocated Corporate		(0.9	)		(0.8	)		(2.6	)		(2.3	)
Total consolidated operating income	$	111.3		$	100.2		$	292.4		$	257.4

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2024			2023			2024			2023
Total consolidated operating income	$	111.3		$	100.2		$	292.4		$	257.4
Interest expense		10.5			8.8			30.6			26.7
Other non-operating (income), net		(3.0	)		(2.3	)		(9.3	)		(6.9	)
Earnings before income taxes	$	103.8		$	93.7		$	271.1		$	237.6

	September 30, 2024		December 31, 2023
Segment assets
Mineral Fiber	$	1,087.2	$	1,091.9
Architectural Specialties		544.9		421.1
Unallocated Corporate		171.9		159.4
Total consolidated assets	$	1,804.0	$	1,672.4